/Engine/Plugins/2D/Paper2D/Source/Paper2D/Classes/PaperTerrainActor.h
An instance of a piece of 2D terrain in the level
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(BlueprintType, Experimental) class PAPER2APaperTerrainActor : public [AActor](API\Runtime\Engine\GameFramework\AActor)